20113640

素因数分解:

$2^3\times 5^1\times {\mathrm{502841}}^1$

素因数の和:502852

約数の個数: 16

約数和(自身を含む): 45255780

約数和(自身を除く): 25142140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502841, 1005682, 2011364, 2514205, 4022728, 5028410, 10056820, 20113640]

約数ペア:

[(1, 20113640), (2, 10056820), (4, 5028410), (5, 4022728), (8, 2514205), (10, 2011364), (20, 1005682), (40, 502841)]